Message ID | 20230919074915.103110-4-hengqi@linux.alibaba.com (mailing list archive) |
---|---|
State | Superseded |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | virtio-net: Fix and update interrupt moderation | expand |
On Tue, Sep 19, 2023 at 3:49 PM Heng Qi <hengqi@linux.alibaba.com> wrote: > > When using .set_coalesce interface to set all queue coalescing > parameters, we need to update both per-queue and global save values. > > Fixes: 394bd87764b6 ("virtio_net: support per queue interrupt coalesce command") > Cc: Gavin Li <gavinl@nvidia.com> > Signed-off-by: Heng Qi <hengqi@linux.alibaba.com> Acked-by: Jason Wang <jasowang@redhat.com> Thanks > --- > drivers/net/virtio_net.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c > index 80d35a864790..ce60162d380a 100644 > --- a/drivers/net/virtio_net.c > +++ b/drivers/net/virtio_net.c > @@ -3233,6 +3233,7 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi, > struct ethtool_coalesce *ec) > { > struct scatterlist sgs_tx, sgs_rx; > + int i; > > vi->ctrl->coal_tx.tx_usecs = cpu_to_le32(ec->tx_coalesce_usecs); > vi->ctrl->coal_tx.tx_max_packets = cpu_to_le32(ec->tx_max_coalesced_frames); > @@ -3246,6 +3247,10 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi, > /* Save parameters */ > vi->intr_coal_tx.max_usecs = ec->tx_coalesce_usecs; > vi->intr_coal_tx.max_packets = ec->tx_max_coalesced_frames; > + for (i = 0; i < vi->max_queue_pairs; i++) { > + vi->sq[i].intr_coal.max_usecs = ec->tx_coalesce_usecs; > + vi->sq[i].intr_coal.max_packets = ec->tx_max_coalesced_frames; > + } > > vi->ctrl->coal_rx.rx_usecs = cpu_to_le32(ec->rx_coalesce_usecs); > vi->ctrl->coal_rx.rx_max_packets = cpu_to_le32(ec->rx_max_coalesced_frames); > @@ -3259,6 +3264,10 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi, > /* Save parameters */ > vi->intr_coal_rx.max_usecs = ec->rx_coalesce_usecs; > vi->intr_coal_rx.max_packets = ec->rx_max_coalesced_frames; > + for (i = 0; i < vi->max_queue_pairs; i++) { > + vi->rq[i].intr_coal.max_usecs = ec->rx_coalesce_usecs; > + vi->rq[i].intr_coal.max_packets = ec->rx_max_coalesced_frames; > + } > > return 0; > } > -- > 2.19.1.6.gb485710b >
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 80d35a864790..ce60162d380a 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3233,6 +3233,7 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi, struct ethtool_coalesce *ec) { struct scatterlist sgs_tx, sgs_rx; + int i; vi->ctrl->coal_tx.tx_usecs = cpu_to_le32(ec->tx_coalesce_usecs); vi->ctrl->coal_tx.tx_max_packets = cpu_to_le32(ec->tx_max_coalesced_frames); @@ -3246,6 +3247,10 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi, /* Save parameters */ vi->intr_coal_tx.max_usecs = ec->tx_coalesce_usecs; vi->intr_coal_tx.max_packets = ec->tx_max_coalesced_frames; + for (i = 0; i < vi->max_queue_pairs; i++) { + vi->sq[i].intr_coal.max_usecs = ec->tx_coalesce_usecs; + vi->sq[i].intr_coal.max_packets = ec->tx_max_coalesced_frames; + } vi->ctrl->coal_rx.rx_usecs = cpu_to_le32(ec->rx_coalesce_usecs); vi->ctrl->coal_rx.rx_max_packets = cpu_to_le32(ec->rx_max_coalesced_frames); @@ -3259,6 +3264,10 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi, /* Save parameters */ vi->intr_coal_rx.max_usecs = ec->rx_coalesce_usecs; vi->intr_coal_rx.max_packets = ec->rx_max_coalesced_frames; + for (i = 0; i < vi->max_queue_pairs; i++) { + vi->rq[i].intr_coal.max_usecs = ec->rx_coalesce_usecs; + vi->rq[i].intr_coal.max_packets = ec->rx_max_coalesced_frames; + } return 0; }
When using .set_coalesce interface to set all queue coalescing parameters, we need to update both per-queue and global save values. Fixes: 394bd87764b6 ("virtio_net: support per queue interrupt coalesce command") Cc: Gavin Li <gavinl@nvidia.com> Signed-off-by: Heng Qi <hengqi@linux.alibaba.com> --- drivers/net/virtio_net.c | 9 +++++++++ 1 file changed, 9 insertions(+)